Sustained type I interferon activity and N-antigenemia form a vicious cycle during severe COVID-19.
BACKGROUND Although antigenemia is associated with poor outcomes in respiratory viral infections, the underlying mechanisms driving viral bloodstream dissemination remain not fully understood. Herein, we aimed to characterise SARS-CoV-2 nucleocapsid (N)-antigenemia kinetics in patients with severe COVID-19. We also sou...